Inventor
MIRZA KHURRAM AHMAD
US25 patents
⚠️ This page may combine multiple inventors who share the name “MIRZA KHURRAM AHMAD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
T MOBILE USA INC
24 patentsUS12413434B1Sep 9, 2025
Service aware proxy-call session control function (P-CSCF) traffic routing
T MOBILE USA INC2 citations74
US11564265B2Jan 24, 2023
Service-based policy for cellular communications
T MOBILE USA INC4 citations73
US11057341B2Jul 6, 2021
Enhanced signaling to reduce no circuit switch fallback
T MOBILE USA INC3 citations72
US10455453B2Oct 22, 2019
Service enablement based on access network
T MOBILE USA INC2 citations72
US11483684B1Oct 25, 2022
Session recovery from dedicated bearer failure
T MOBILE USA INC4 citations69
US12587575B2Mar 24, 2026
IMS recovery
T MOBILE USA INC0 citations62
US11818179B2Nov 14, 2023
IMS recovery
T MOBILE USA INC0 citations62
US11140580B2Oct 5, 2021
Service enablement based on access network
T MOBILE USA INC0 citations62
US12052294B2Jul 30, 2024
IMS routing based on subscriber type
T MOBILE USA INC0 citations61
US11903047B2Feb 13, 2024
Service-based policy for cellular communications
T MOBILE USA INC0 citations61
US11516261B2Nov 29, 2022
IMS routing based on subscriber type
T MOBILE USA INC0 citations61
US11363517B1Jun 14, 2022
Policy node grouping for efficient network operation
T MOBILE USA INC0 citations61
US11316708B2Apr 26, 2022
Gx session recovery for policy and charging rules function
T MOBILE USA INC0 citations61
US11930425B2Mar 12, 2024
Session recovery from dedicated bearer failure
T MOBILE USA INC0 citations59
US11196731B2Dec 7, 2021
Network-authentication control
T MOBILE USA INC0 citations59
US10880341B1Dec 29, 2020
Modifying a challenge requirement for user registrations
T MOBILE USA INC1 citations59
US10999750B2May 4, 2021
Early Gx/Rx session failure detection and response
T MOBILE USA INC0 citations51
US10700882B2Jun 30, 2020
GX session recovery for policy and charging rules function
T MOBILE USA INC0 citations50
US12219656B2Feb 4, 2025
Selectively restricting Wi-Fi calls supported by telecommunications network
T MOBILE USA INC0 citations48
US12150048B2Nov 19, 2024
Proxy-call session control function (P-CSCF) selection by traffic type
T MOBILE USA INC0 citations48
US12021905B2Jun 25, 2024
Reducing IMS network congestion when a node in the IMS network becomes unavailable
T MOBILE USA INC0 citations47
US12206717B1Jan 21, 2025
Proxy node awareness of access point name (APN) or data network name (DNN)
T MOBILE USA INC0 citations43
US12137127B1Nov 5, 2024
Proxy node awareness of access point name (APN) or data network name (DNN)
T MOBILE USA INC0 citations43
US12598516B2Apr 7, 2026
Intelligent allocation of internet protocol (IP) multimedia subsystem (IMS) resources
T MOBILE USA INC0 citations41